46778769 has 16 divisors (see below), whose sum is σ = 71692800. Its totient is φ = 30109968.

The previous prime is 46778749. The next prime is 46778773. The reversal of 46778769 is 96787764.

It is not a de Polignac number, because 46778769 - 2⁵ = 46778737 is a prime.

It is a super-2 number, since 2×46778769² = 4376506458310722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46778749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29089 + ... + 30654.

It is an arithmetic number, because the mean of its divisors is an integer number (4480800).

Almost surely, 2^46778769 is an apocalyptic number.

It is an amenable number.

46778769 is a deficient number, since it is larger than the sum of its proper divisors (24914031).

46778769 is a wasteful number, since it uses less digits than its factorization.

46778769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59781 (or 59775 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 46778769 is about 6839.5006396666. The cubic root of 46778769 is about 360.3154873296.

It can be divided in two parts, 467787 and 69, that added together give a square (467856 = 684²).

The spelling of 46778769 in words is "forty-six million, seven hundred seventy-eight thousand, seven hundred sixty-nine".